A Characterization of Fields in the Calculus of Variations
Proc Natl Acad Sci U S A
.
1932 Dec;18(12):724-30.
doi: 10.1073/pnas.18.12.724.
Authors
M Morse
1
,
S B Littauer
Affiliation
1
Harvard University.
PMID:
16577507
PMCID:
PMC1076323
DOI:
10.1073/pnas.18.12.724
No abstract available